noun (n)

• the wood from bushes or small branches(noun.substance)

  Example:
  They built a fire of brushwood.
  

  source: wordnet30
• a dense growth of bushes(noun.group)

  Synonym:
  brush, coppice, copse, thicket
  

  source: wordnet30
• Brush; a thicket or coppice of small trees and shrubs.(noun)

  source: webster1913